KR100702440B1 - Electronic locking apparatus for door - Google Patents

Abstract

The present invention relates to an electronic control door lock device, in the locked state, even if an external force is applied to the door so that the latch does not escape to the outside of the locking groove can be used for both sliding doors and swing doors, the doors installed in pairs In this case, an object of the present invention is to provide an electronic door lock that can maintain a locked state without fixing one side.

According to the present invention for achieving the above object, the main body 200 is fixedly installed on one side of the door 10 and provided with an input key button 231a and the other side door 10 'to be close to the main body 200. Or an electronically controlled door lock apparatus including a locking member 250 fixed to a wall, the main body 200 includes a main body housing 201 having a latch entry hole 201a formed at a side surface thereof, and the latch entry hole ( The clasp (203b) rotatably coupled to the inside of the main housing (201) to allow the front end portion (203a) to enter and exit through the 201a, and the departure prevention protrusion (203b) protruding in the rotational direction to the front end portion (203a) ( 203 and driving means (211, 215) installed in the main body housing (201) for rotating the latch (203) in accordance with a signal input from the key button (231a), the driving means ( 211 and 215 may be provided inside or outside the main body housing 201. Power supply is connected to means (221, 223), the engaging body 250, the electronic door lock the engagement portion (251a), the release preventing projection (203b) of the latch 203 is applied is formed, it is provided.

Description

Electronic locking apparatus for door             

1 is a plan view showing a schematic operating state of a conventional electronic door lock device

Figure 2 is a partial cutaway view showing a first embodiment of the electronic door lock according to the present invention

3 is a plan view of the electronic door lock shown in FIG.

4 is a partial cutaway view showing a second embodiment of the electronic door lock according to the present invention;

5 is a front view showing a third embodiment of the electronic door lock according to the present invention;

Figure 6 is a side cross-sectional view showing the handle portion in the door lock shown in FIG.

<Description of the symbols for the main parts of the drawings>

10, 10`: door 200: main body

201: main body housing 203: latch

203b: release prevention protrusion 203c: gear train

211: drive motor 213, 214: bevel gear

215: worm gear 221: battery mounting groove

222: battery 231: keypad

235: position sensor 250: locking body

251: locking body 251a: locking portion

252: latch insertion hole 254: pressure bolt

255: contact plate

The present invention relates to an electronically controlled door lock device, and more particularly, it can be used for both sliding doors that slide open and close and swing doors that rotate and open, and the door of any one side in the case of two doors in a pair The present invention relates to an electronic door lock that can prevent the lock state from being released even without fixing the lock.

In general, the door lock device is installed in the entrance of the building or indoor door to restrict outsiders' access. In recent years, an electronic control method that locks and unlocks a door by entering a password by pressing a button so that an existing key is not required. Door locks are widely used. An example of such an electronically controlled door lock is shown in FIG. 1. The illustrated lock device is applied to a pair of swing doors 10 and 10 ′ that are pivotally opened and closed, and is mounted to a door 10 on one side and is provided at a front portion. The main body 100 is provided with a key button 101 for inputting a number and a command, and the key button 121 is provided on the opposite side of the door 10 to which the main body 100 is attached. The auxiliary body 120 and the locking body 110 is fixed to the door 10 'of the other side so as to correspond to the main body 100, the main body 100 is input through the key button 101 The bar 103 has a bar-shaped clasp 103 which is controlled according to a signal to be advanced and retracted in and out of the main body 100, and the clasp insertion hole 111 is inserted into the latch body 110 so that the clasp 103 can be inserted. Is formed.

However, the conventional locking device configured as described above is configured to be locked when the clasp 103 is formed in the shape of a bar and the clasp 103 is advanced and inserted into the clasp insertion hole 111, so that even in the locked state. The clasp 103 is only in the state which entered the clasp insertion hole 111, and the means for preventing this clasp 103 from being separated from the latch body 110 was not provided at all. Accordingly, as shown, there is a problem that can be used for the sliding door that is opened and closed, but in the case of a sliding door that is opened and closed by a slide type, it is impossible to use. In addition, there is no problem in the case of a sliding door made of one, such as the front door of the apartment, because the locking body is embedded in the wall and fixed, but when installed in a pair of rotating doors as shown in FIG. If either side of the (10, 10`) is not fixed, the latch 103 is easily rotated when the door (10, 10`) is pushed or pulled even in the locked state inserted into the latch insertion hole 111 In order to prevent this, a separate locking mechanism is required to fix one side of the doors 10 and 10` on both sides, and when the door is locked, it is necessary to check and lock the state of the separate locking mechanism. There was a problem with the hassle.

The present invention is to solve the above problems, the object of the present invention in the locked state, even if an external force is applied to the door so that the latch does not escape to the outside of the locking groove can be used for both sliding door and swing door, pair If the door is installed as a door to provide an electronic door lock to keep the lock even without fixing one side.

According to the present invention for achieving the above object, the main body 200 is fixedly installed on one side of the door 10 and provided with an input key button 231a and the other side door 10 'to be close to the main body 200. Or an electronically controlled door lock apparatus including a locking member 250 fixed to a wall, the main body 200 includes a main body housing 201 having a latch entry hole 201a formed at a side surface thereof, and the latch entry hole ( The clasp (203b) rotatably coupled to the inside of the main housing (201) to allow the front end portion (203a) to enter and exit through the 201a, and the departure prevention protrusion (203b) protruding in the rotational direction to the front end portion (203a) ( 203 and driving means (211, 215) installed in the main body housing (201) for rotating the latch (203) in accordance with a signal input from the key button (231a), the driving means ( 211 and 215 may be provided inside or outside the main body housing 201. Power supply is connected to means (221, 223), the engaging body 250, the electronic door lock the engagement portion (251a), the release preventing projection (203b) of the latch 203 is applied is formed, it is provided.

According to another feature of the invention, the drive means (211, 215) and the gear train 203c formed in the form of a worm wheel on the opposite side of the anti-separation projection (203b) of the latch 203, and the gear train (203c) and An electronic door lock device including a worm gear 215 installed to be rotatably coupled to each other and a driving motor 211 for rotating the worm gear 215 is provided.

According to another feature of the invention, the locking body 250 is attached to the surface of the door 10 'and the body 251, the opening portion 253 is formed, and bent in a shape corresponding to the body 251 body The contact plate 255 coupled to surround the outer surface of the 251 and the side end of the door 10 ′, and the body 251 is fastened through the body 251 and the contact plate 255 to lock the door 10 ′. There is provided an electronic door locking device including a pressurizing bolt 254 for pressing the inner side of the opening 253 to be in close contact with the surface.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a partial cutaway view showing a first embodiment of the electronic door locking device according to the present invention, Figure 3 is a plan view, in this embodiment is applied to a rotary opening and closing glass doors of a pair of two in this embodiment Explain.

2 and 3, the door lock device of the present invention is fixed to one side door 10 and has a pair of latches 203 that are pivotally pulled out, the body 200 being opposite to the door 10. The locking body is fixed to the other side door (10 ') so as to be close to the auxiliary body 300 and the main body 200 is installed on the surface and a pair of latch insertion hole 252 is inserted into which the clasp 203 is inserted ( 250).

The main body housing 201 constituting the outer frame of the main body 200 has a pair of latch entrance holes 201a arranged up and down in the side portion facing the locking body 250, and the main body housing 201 The latch 203 is rotatably coupled to each other so as to be rotated through each latch entry hole 201a in the interior thereof, the driving means for rotating the latch 203, a power supply means for supplying power to the driving means. And control means for controlling the drive means by regulating the supply power from the power supply means.

The pair of clasps 203 are installed in a symmetrical form, and each clasp 203 is rotated at its distal end portion 203a which enters into and out of the main body housing 201 through the clasp access hole 201a. When the separation prevention protrusion 203b protruding in a wedge shape toward the direction is formed so that the tip portion 203a is inserted into the latch insertion hole 252 of the locking body 250, the separation prevention protrusion 203b is inserted into the latch insertion hole 252. It is configured to be caught by the locking portion 251a of one side.

In this embodiment, the drive means is made in a manner using a worm gear. That is, the drive means is a worm gear 215 connected to the drive motor 211, the rotary shaft 212 and the bevel gears (213, 214) of the drive motor 211 and supported and rotated by the bushing (216) ) And a gear train 203c formed in the form of a worm wheel at an end opposite to the release preventing protrusion 203b of the clasp 203 to be engaged with the worm gear 215.

The power supply means may be configured to be connected to a power source outside the main body 200, but in this embodiment, the battery mounting groove is provided in the main body housing 201 and the electrode terminal 223 to which the battery 222 is connected is installed. 221.

The control means includes a keypad 231 having a plurality of input key buttons 231a exposed to the outside of the main body housing 201 and installed inside the main body housing 201 to detect a rotation position of the latch 203. A current between the battery 222 and the driving motor 211 according to a plurality of position sensors 235 and a signal input by the user through the keypad 231 and a signal input by the position sensor 235. It consists of a circuit board 233 configured to apply or cut off. The signal transmission between the keypad 231 and the position sensor 235 and the circuit board 233 may be wired or wireless.

The locking body 250 is formed in the form of a square frame having an opening 253 penetrated up and down, and a pair of bodies 251 and 251 ′ attached to both sides of the door 10 'and' ?? ' The contact plate 255 is bent in a shape to be coupled to surround the outer surface of both the body (251, 251`), and the body 251, 251` is composed of a pressurizing bolt 254 for pressing the inner side of the opening portion 253 so as to be in close contact with the surface of the door 10 ', the connection portion of the body (251, 251`) and the door 10' A sealing member 11 made of silicon or the like is attached to the exposed portion, and the latch insertion hole 252 is formed through the side portions of the bodies 251 and 251 ′ and the contact plate 255. On the other hand, in the present embodiment has been illustrated that the locking portion 251a of the locking body 250 is formed by a hole, that is, the latch insertion hole 252, this is optional, the locking portion 251a is the separation prevention The protrusion 203b may be formed in various forms such as a groove or a protrusion in which a jaw is formed or a protrusion or a ring bent in a form corresponding to the release preventing protrusion 203b.

The auxiliary body 300 is for locking or releasing the door even from the opposite side where the main body 200 is installed, and a plurality of key buttons 301 to transmit an input signal to the circuit board 233 of the control means. Is provided. Meanwhile, in the present exemplary embodiment, the battery mounting groove 221 and the control circuit board 233 are both provided in the main body 200 by way of example. However, in some cases, the inside of the auxiliary body 300 is provided. The battery mounting groove 221 or the circuit board 233 may be installed in the structure connected to the main body 200 side.

Referring to the operation of the door lock device of the present invention configured as described above are as follows.

In the unlock state where the clasp 203 is retracted into the main body housing 201, when a user inputs a lock command by pressing a key button 231a, operating power is applied to the driving motor 211 by the control means. Each latch 203 is rotated in a horizontal direction by a worm gear 215 rotated according to the operation of the driving motor 211, and the tip portion 203a protrudes outward from the main housing 201. The anti-separation projection 203b is inserted into the latch insertion hole 252 and is locked to the locking portion 251a to be locked. Accordingly, the clasp 203 is inserted into the clasp insertion hole 252 to achieve the same locking state as that of the conventional locking device, and the release preventing protrusion 203b of the clasp 203 is caught by the locking portion 251a. Since both sides of the door (10, 10`) is fastened so as not to be opened, the doors (10, 10`) can be rotated even without fixing both sides of the door (10, 10`) can be securely locked.

Then, when the position of the latch 203 rotated in the locked state is detected by the position sensor 235, the operation of the drive motor 211 is stopped by the control means, at this time, by the worm gear 215 Since the rotation of the clasp 203 is prevented, the locking position of the clasp 203 can be maintained without a separate fixing means.

In addition, since the two doors (10, 10`) are fastened so as not to be moved in the horizontal direction by the separation preventing projection (203b), the door lock device of the present invention slides as well as the rotational swing door as in the above-described embodiment It can also be applied to sliding doors that open and close in a manner.

Figure 4 is a partial cutaway view showing a second embodiment of the electronic door lock device according to the present invention, which is installed on the one side of the main body housing 201 the first latch 203 in the same configuration as the embodiment described above. On the other side, a second clasp 205 is formed in a 'one' shape like the conventional clasp, and the second clasp 205 is installed to be movable in the axial direction by the guide bushing 206. A gear train 205a engaged with the worm gear 215 is provided at one side thereof, and when the worm gear 215 is rotated, it moves forward or retracts with the rotation of the first latch 203 so that It is inserted into the latch insertion hole 252 to achieve a locked state.

 Figure 5 shows a third embodiment of the electronic door lock device according to the present invention, Figure 6 is a side cross-sectional view showing the configuration of the handle portion in the door lock device shown in FIG. This illustrates that the present invention is applied to the door provided with the rotary handle 20, such as the front door of the apartment, the same latch 203, driving means as the first embodiment or the second embodiment described above in the main body 200 In order to provide a control means, a plurality of buttons 331a for inputting a lock and release command are installed at the center of the handle 20, and when each button 331a is pressed under the button 331a, the control is performed. By installing the PCB 332 to transmit the signal by the means is configured to lock or unlock the door while holding the handle (20).

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes can be made in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

As described above, according to the present invention, the one side or both side doors are fastened to the locking portion to prevent the latches from being slid to the door frame or to each other, so that the door, sliding door or It can be used universally in casement doors, especially when it is installed in paired casement doors, it can save the cost of installing a separate fixture on the door because it keeps the door locked tightly without fixing both doors. There is an effect that can be eliminated the inconvenience caused by fixing the door.

In addition, even when the clasp is rotated in a locked state, even if a force is applied to the clasp from the outside, the rotation of the clasp is prevented by the worm gear, so that the locking position of the clasp can be maintained without a separate fixing means, thereby simplifying the structure. It is effective.

Claims (3)

The main body 200 fixedly installed at one side of the door 10 and provided with an input key button 231a, and the locking body 250 fixed to the other side door 10 'or the wall so as to be close to the main body 200. In the electronically controlled door lock device, the main body 200 is a main body housing 201 is formed with a latch entry hole (201a) in the side portion, and the front end portion (203a) through the latch entry hole (201a) is to be entered. A clasp 203 rotatably coupled to the inside of the main body housing 201 and having a release preventing protrusion 203b protruding in the rotational direction from the tip portion 203a, and the inside of the main housing 201. And driving means 211 and 215 installed in the main button 231a to rotate the latch 203 in response to a signal input from the key button 231a, and the driving means 211 and 215 of the main body housing 201. Is connected to the power supply means (221, 223) provided inside or outside, the locking body ( 250 is an electronic door lock device formed with a catching portion (251a) is caught to prevent the separation projection (203b) of the clasp (203). The method of claim 1, The drive means (211, 215) is a gear train (203c) formed in the form of a worm wheel on the opposite side of the anti-separation projection (203b) of the clasp 203, and the gear train (203c) is installed so as to rotate in engagement with the gear train (203c) 215, and an electronic door lock comprising a drive motor (211) for rotating the worm gear (215). The method according to claim 1 or 2, The latching body 250 is attached to the surface of the door 10 'and the body 251, the opening portion 253 is formed, and bent in a shape corresponding to the body 251, the outer surface and the door ( The contact plate 255 coupled to surround the side end of the 10 ') and the opening portion 255 is fastened through the body 251 and the contact plate 255 so that the body 251 is in close contact with the surface of the door 10'. 253) Electronic door lock comprising a pressing bolt 254 for pressing the inner surface.

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